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Establishment of Elymus natans improves soil quality of a heavily degraded alpine meadow in Qinghai-Tibetan Plateau, China
文献类型：期刊论文
| 作者 | Feng, Ruizhang2,5; Long, Ruijun1; Shang, Zhanhuan1; Ma, Yushou3; Dong, Shikui4; Wang, Yanlong3 |
| 刊名 | plant and soil
 |
| 出版日期 | 2010-02-01 |
| 卷号 | 327期号:1-2页码:403-411 |
| 关键词 | Plantation age Plant biomass Soil organic carbon Soil nutrients Microbial biomass Soil enzymes |
| ISSN号 | 0032-079x |
| 中文摘要 | elymus natans is a dominant native species widely planted to restore the heavily degraded alpine meadows in qinghai-tibetan plateau. the objective of this study was to determine how e. natans establishment affected the quality and fertility of a heavily degraded soil. soil samples (at depths of 0-10, 10-20 and 20-30 cm) were collected from the 3- and 7-year-old e. natans re-vegetated grasslands, and in the heavily degraded alpine meadow (control). the establishment of e. natans promoted plant cover and aboveground biomass. compared to the non-reseeded meadow, the concentration of total organic c increased by 13% in the soil under 3-year-old reseeded e. natans grassland at 0-10 cm, and by 7-33% in the soil under 7-year-old reseeded e. natans grassland at 0-10, 10-20 and 20-30 cm depths. rapid increases in total and available n were also observed in two e. natans re-vegetated grasslands, especially in the 0-10 cm soil layer. across three sampling depths, total p concentration was increased by 17-35% and 18-54% in 3- and 7-year-old reseeded soil respectively, compared to the soil of control. after 3 years of e. natans growth, microbial biomass c increased by 13-58% at 0-10 and 10-20 cm layers; while it increased by 43-87% in 7-year-old reseeded treatment at 0-10, 10-20 and 20-30 cm depths relative to control. a similar increasing trend was observed for microbial biomass n and p generally. significant increase in neutral phosphatase, urease, catalase and dehydrogenase was also found in 3- and 7-year-old re-vegetated grasslands compared with heavily degraded meadow. our results suggest a significant positive impact of e. natans establishment on soil quality. thus, e. natans establishment could be an effective and applicable measure in restoring heavily degraded alpine meadow in the region of qinghai-tibetan plateau. |
| 英文摘要 | elymus natans is a dominant native species widely planted to restore the heavily degraded alpine meadows in qinghai-tibetan plateau. the objective of this study was to determine how e. natans establishment affected the quality and fertility of a heavily degraded soil. soil samples (at depths of 0-10, 10-20 and 20-30 cm) were collected from the 3- and 7-year-old e. natans re-vegetated grasslands, and in the heavily degraded alpine meadow (control). the establishment of e. natans promoted plant cover and aboveground biomass. compared to the non-reseeded meadow, the concentration of total organic c increased by 13% in the soil under 3-year-old reseeded e. natans grassland at 0-10 cm, and by 7-33% in the soil under 7-year-old reseeded e. natans grassland at 0-10, 10-20 and 20-30 cm depths. rapid increases in total and available n were also observed in two e. natans re-vegetated grasslands, especially in the 0-10 cm soil layer. across three sampling depths, total p concentration was increased by 17-35% and 18-54% in 3- and 7-year-old reseeded soil respectively, compared to the soil of control. after 3 years of e. natans growth, microbial biomass c increased by 13-58% at 0-10 and 10-20 cm layers; while it increased by 43-87% in 7-year-old reseeded treatment at 0-10, 10-20 and 20-30 cm depths relative to control. a similar increasing trend was observed for microbial biomass n and p generally. significant increase in neutral phosphatase, urease, catalase and dehydrogenase was also found in 3- and 7-year-old re-vegetated grasslands compared with heavily degraded meadow. our results suggest a significant positive impact of e. natans establishment on soil quality. thus, e. natans establishment could be an effective and applicable measure in restoring heavily degraded alpine meadow in the region of qinghai-tibetan plateau. |
| WOS标题词 | science & technology ; life sciences & biomedicine |
| 类目[WOS] | agronomy ; plant sciences ; soil science |
| 研究领域[WOS] | agriculture ; plant sciences |
| 关键词[WOS] | microbial biomass ; enzyme-activities ; carbon ; fumigation ; management ; phosphorus ; extraction |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000273754800032 |
| 公开日期 | 2011-12-13 |
| 源URL | [http://ir.nwipb.ac.cn//handle/363003/1752]  |
| 专题 | 西北高原生物研究所_中国科学院西北高原生物研究所 |
| 作者单位 | 1.Lanzhou Univ, Int Ctr Tibetan Plateau Ecosyst Management, Lanzhou 730070, Peoples R China 2.Chinese Acad Sci, NW Plateau Inst Biol, Xining 810008, Peoples R China 3.Qinghai Acad Anim & Vet Sci, Xining 810003, Peoples R China 4.Beijing Normal Univ, Environm Sch, Beijing 100875, Peoples R China 5.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Feng, Ruizhang,Long, Ruijun,Shang, Zhanhuan,et al. Establishment of Elymus natans improves soil quality of a heavily degraded alpine meadow in Qinghai-Tibetan Plateau, China[J]. plant and soil,2010,327(1-2):403-411. |
| APA | Feng, Ruizhang,Long, Ruijun,Shang, Zhanhuan,Ma, Yushou,Dong, Shikui,&Wang, Yanlong.(2010).Establishment of Elymus natans improves soil quality of a heavily degraded alpine meadow in Qinghai-Tibetan Plateau, China.plant and soil,327(1-2),403-411. |
| MLA | Feng, Ruizhang,et al."Establishment of Elymus natans improves soil quality of a heavily degraded alpine meadow in Qinghai-Tibetan Plateau, China".plant and soil 327.1-2(2010):403-411. |
入库方式： OAI收割
来源：西北高原生物研究所
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